127 research outputs found
Corrigendum for: Patorani local knowledge system in fisheries resources conservation education in Galesong District South Sulawesi
No full textWe sincerely express our apology for the changes in the author list in the article entitled Patorani local knowledge system in fisheries resources conservation education in Galesong District South Sulawesi. This article was published on DOI: 10.17977/um017v28i12023p52-63, with the authors list consisting of Hasriyanti, Rusdi, Alonge Titus Adeyemi, Michel E. D. Chaves, and Erman Syarif. However, Michel E. D. Chaves issue a complaint regarding his involvement during the research and paper completion. He did not agree to the inclusion of his name in the author list. We have contacted the corresponding author for confirmation. Besides, the co-author has also confirmed the mistake in the writing of one of the author’s names, Alonge Titus Adeyemi, which should be Titus Adeyemi Alonge. The corresponding author has submitted a letter of author contribution signed by Hasriyanti, Rusdi, Titus Adeyemi Alonge, and Erman Syarif. The original article has been revised, and reasonable effort should be made to remove all references to this article
Portraits for an eagle: a festschrift in honour of Femi Osofisan
No full textTo mark the 60th birthday of Femi Osofisan, this unique collection of essays by friends and critics pays tribute to his many achievements as a director, teacher, essayist, novelist, poet, critic and one of the foremost playwrights from Africa. The essays provide an important insight into the man,his work and his valuable contributions to theatre and literature in Africa.
Femi Osofisan has taught, directed and had his plays performed in several countries including Australia, Canada, Germany, Ghana, Sierra Leone, Jamaica, Lesotho, Sri Lanka, United Kingdom and the USA. Author of more than fifty plays, two books for junior readers, four works of fiction, four collections of poetry anf four volumes of essays, Osofisan also has popular columns in a number of Nigerian newspapers. Currently the President of the Nigerian Centre of International PEN and a Patron of the Pan-African Writers' Association, he has been the President of the Association of Nigerian Authors. Osofisan is currently a Professor of Drama at the University of Ibadan, Nigeria.
Portraits For An Eagle is a definitive tribute to a man of the theatre. Contributors include fellow writers, distinguished academics and critics like Biodun Jeyifo, James Gibbs, Olu Obafemi, Barbara Goff and Martin Banham
Adebiyi etal: absorption of shortwave radiation by North African dust
No full textThe codes and datasets contained here are for the paper with the information below
Titled: "North African dust absorbs substantially less solar radiation than estimated by climate models and remote-sensing retrievals"
Author: Adeyemi A. Adebiyi, Yue Huang, Bjørn H. Samset and Jasper F. Kok
Please see the ReadMe.txt for additional details.
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Corresponding Authors:
Adeyemi Adebiyi
Email: [email protected];
Department of Life and Environmental Sciences,
University of California-Merced,
5200 North Lake Road Merced, CA 95343
Portraits for an eagle: a festschrift in honour of Femi Osofisan
No full textTo mark the 60th birthday of Femi Osofisan, this unique collection of essays by friends and critics pays tribute to his many achievements as a director, teacher, essayist, novelist, poet, critic and one of the foremost playwrights from Africa. The essays provide an important insight into the man,his work and his valuable contributions to theatre and literature in Africa.
Femi Osofisan has taught, directed and had his plays performed in several countries including Australia, Canada, Germany, Ghana, Sierra Leone, Jamaica, Lesotho, Sri Lanka, United Kingdom and the USA. Author of more than fifty plays, two books for junior readers, four works of fiction, four collections of poetry anf four volumes of essays, Osofisan also has popular columns in a number of Nigerian newspapers. Currently the President of the Nigerian Centre of International PEN and a Patron of the Pan-African Writers' Association, he has been the President of the Association of Nigerian Authors. Osofisan is currently a Professor of Drama at the University of Ibadan, Nigeria.
Portraits For An Eagle is a definitive tribute to a man of the theatre. Contributors include fellow writers, distinguished academics and critics like Biodun Jeyifo, James Gibbs, Olu Obafemi, Barbara Goff and Martin Banham
Analysis of impervious surfaces and surface temperature over Tshwane metropolitan using in-situ and remotely sensed data
No full textDissertation (MSc)--University of Pretoria, 2015.Tshwane is one of the major metropolitan in Gauteng Province. This metropolitan continues to experience rapid urbanization as a result of population growth, leading to the conversion of natural lands into impervious surface area (ISA) i.e., constructed surfaces – sidewalks, roads rooftops, parkinglots covered by impenetrable materials such as asphalt, concrete and stones which prevent water from infiltrating into the soil. Such landscapes influence the climate of the Metropolitan as evidenced by the recent heat wave characterized by high temperature. Therefore, the consistent information about these changes will play an important role in city planning and environmental management. In this study, seven land use/cover types were delineated from the cloud free Landsat images using maximum likelihood (ML) and random forest (RF) classifiers to map the Tshwane metropolis. The overall accuracies for classifying the seven land cover types were 88.63% and 80.13% (Landsat 7 ETM+, 2003) and 88.82% and 82.03% (Landsat 8 LCDM) for both ML and RF, respectively. In addition, based on the pairwise comparison of error matrix the two algorithms were found to produce approximately identical classification errors. Furthermore, the remote sensing data was also used to assess the relationship between LULC changes and LST estimation. Mean near surface temperature from the weather stations was used as a point of reference to verify the accuracy of the final retrieved LST images. From Landsat 7 ETM+ (2003), the mean pixel temperature for Pretoria Eendracht and Irene Wo weather station when compared the mean near surface temperature produced a LST retrieval error of 3.3OC and 1OC respectively. Similarly, Landsat 8 LCDM data (2013) mean pixel temperature for Pretoria UNISA weather station and Pretoria National Botanical Institute when compared the mean near surface temperature produced a LST retrieval error of 0.38OC and 1.3OC for the two stations. Finally, the remote sensing data showed the quantitative effect of impervious surface area changes on mean LSTs, through the distribution of urban heat island within Tshwane metropolitan.tm2015Geography, Geoinformatics and MeteorologyMScUnrestricte
Assessing predictors of HIV infection among Out-of-school Youths in rural and urban areas of North Central Nigeria
No full textДИСПОЗИЦІЙНІ ФАКТОРИ ВРАЗЛИВОСТІ, ЯКА СПРИЧИНЯЄ НАСИЛЛЯ НА РОБОЧОМУ МІСЦІ ЩОДО МЕДИЧНИХ СЕСТЕР В ШТАТАХ ОНДО І ОСУН, НІГЕРІЯ
No full textInternational audiencePerceived workplace violence against nurses has become a major concern to scholars, occupational safety and health administrators. However, dispositional factors in nurses’ perception of workplace violence in Nigeria have not been sufficiently explored. This study therefore, examined dispositional factors predicting workplace violence among nurses in Ondo and Osun State, Nigeria.The study adopted the cross-sectional study across the study setting; four hundred and fifteen (415) nurses from 14 health centres consisting of primary, secondary and tertiary health centres were selected using multi-stage sampling technique. A structured questionnaire which focused on socio-demographic characteristics, perceived workplace violence (α = 0.91), trait anger (TA) (α = 0.67), negative affectivity (NA) (α = 0.96), self control (SC) (α = 0.83) was used. Data was analysed using multiple regression, one-way ANOVA, and independent t-test at p<.05 level of significance.The results reveal that the respondents’ average age was 39.89±12.12 years. Females (83.1%) constituted the larger percentage of the respondents. 64.8% were registered nurses (RN), 28.4% had Nursing degree, 3.4% had Masters’ degree and 2.4% had other qualifications. The nurse worked in the floor shifts (31.6%), critical care (22.9%), intensive care (18.3%) and the operating room (12%) units. Nurses’ trait anger (β = .15), negative affectivity (β = .13) organisational attribution style (β = .15) were significantly associated with frequent experience of perceived workplace violence.In conclusion, nursing staff dispositional traits and attribution styles makes them vulnerable to workplace violence.Понимание насилия на рабочем месте против медсестер стало серьезной проблемой для ученых, администраторов охраны труда и здоровья. Тем не менее, диспозиционные факторы, приводящие к насилием на рабочем месте по медицинских сестер в Нигерии недостаточно изучены. Таким образом, в этом исследовании рассмотрены диспозиционные факторы, которые приводят к насилию на рабочем месте среди медсестер в штате Ондо и Осун, Нигерия.В исследовании было проведено перекрестное исследование по четыреста пятнадцать (415) медсестер с 14 медицинских центров, состоящих из первичных, вторичных и третичных медицинских центров, которые были отобраны с использованием многоступенчатой методики отбора проб. В исследовании были использованы структурированный опросник, который сосредоточен на социально-демографических характеристиках, восприятии насилия на рабочем месте (α = 0,91), гневе признаков (TA) (α = 0,67), отрицательной аффективности (NA) (α = 0 , 96), самоконтроле (SC) (α = 0,83). Данные анализировали с помощью множественной регрессии, односторонней ANOVA и независимого t-теста на р <0,05 уровня значимости.Результаты показывают, что средний возраст респондентов составил 39,89 ± 12,12 лет. Женщины (83,1%) составляли больший процент респондентов. 64,8% были зарегистрированы медсестрами (RN), 28,4% имели степень медсестринства, 3,4% имели степень магистра и 2,4% имели другие квалификации. Медсестра работала в смещениях на полу (31,6%), критической (22,9%), реанимационной (18,3%) и операционной (12%). Состояния гнева медсестер (β = 0,15), негативная аффективность (β = .13) стиля организационной атрибуции (β = .15) существенно ассоциировались с частым опытом восприятия насилия на рабочем месте.Наконец, диспозиционные состояния и характеристики сестринского персонала делают их уязвимыми к насилию на рабочем месте.Розуміння насильства на робочому місці проти медсестр стало серйозною проблемою для науковців, адміністраторів охорони праці та здоров’я. Тим не менш, диспозиційні фактори, що призводять до насильством на робочому місці щодо медичних сестер в Нігерії недостатньо вивчені. Таким чином, у цьому дослідженні розглянуті диспозиційні фактори, які призводять до насильства на робочому місці серед медсестр у штаті Ондо і Осун, Нігерія.У дослідженні було проведено перехресне дослідження щодо чотириста п’ятнадцяти (415) медсестр з 14 медичних центрів, що складаються з первинних, вторинних та третинних медичних центрів, які були відібрані з використанням багатоступеневої методики відбору проб. У дослідженні було використано структурований опитувальник, який зосереджувався на соціально-демографічних характеристиках, сприйнятті насильства на робочому місці (α = 0,91), гніві ознак (TA) (α = 0,67), негативній афективності (NA) (α = 0,96), самоконтролі (SC) (α = 0,83). Дані аналізували за допомогою множинної регресії, односторонньої ANOVA і незалежного t-тесту на р <0,05 рівня значущості.Результати показують, що середній вік респондентів становив 39,89 ± 12,12 років. Жінки (83,1%) становили більший відсоток респондентів. 64,8% були зареєстрованими медсестрами (RN), 28,4% мали ступінь медсестринства, 3,4% мали ступінь магістра та 2,4% мали інші кваліфікації. Медсестра працювала в зміщеннях на підлозі (31,6%), критичній (22,9%), реанімаційній (18,3%) та операційній (12%). Стани гніву медсестр (β = 0,15), негативна афективність (β = .13) стилю організаційної атрибуції (β = .15) суттєво асоціювалися з частим досвідом сприйняття насильства на робочому місці.Нарешті, диспозиційні стани та характеристики сестринського персоналу роблять їх вразливими до насильства на робочому місці
Atmospheric radio refractivity and water vapour density at Oshodi and Kano, Nigeria
No full textSome statistical analyses have been carried out on radiosonde data on atmospheric humidity taken during the period 1990-1993 at two meteorological stations, Oshodi (6° 32'N, 3° 21E) and Kano (12° 5N, 8° 52E) in Nigeria. Monthly means and standard deviations of columnar radio refractivity N and columnar water vapour density ρ have been obtained for the atmospheric columns, 0-3km, 0-10km, and 3-10km. It is found that the correlation coefficient between the monthly means of N and ρ is higher than 0.9 in most of the cases. Consequently, equations of regression have been obtained by means of which measurements of columnar water vapour density ρ can be used to estimate N over Oshodi, and Kano. For instance, line of regression of N upon ρ for Oshodi at the 0-3km atmospheric column is N = (4.93 ± 0.75) ρ + 254.15 ± 11.26.Keywords: atmospheric humidity, columnar radio refractivityNigeria Journal of Pure and Applied Physics Vol. 4(1) 2005: 11-1
Vegetable oils as quenchants for hardening medium carbon steel
No full textGroundnut (Arachia hypoge) oil and palm (Elaeis guineeness) kernel oil were investigated as vegetable quench-ing media for carbon steel (0.45 % C) by determining the characteristic temperature-time cooling curves and rel-ated mechanical properties. The three stages of cooling examined during quenching were vapour blanket, boili-ng and convection. The study was conducted to find vegetable oil alternatives to the commonly used synthetic polymer quenchants, which are considered hazardous, costly and not readily available. The influence of cooling rates of the quenching media on microstructure, tensile strength, yield stress and hardness of medium carbon steel were also investigated. The mechanical properties of groundnut oil quenched steel were higher than palm oil quenched steel, but the wear resistance measured by hardness testing was higher when quenched in palm kernel oil than in groundnut oil
Effect of Carbon Black Loading and Temperature on Cut Growth in N990-Filled Natural Rubber Vulcanizates
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